000 005510000a22002050004500
022 _a0419-4217
596 _aI
245 1 0 _aDISSERTATION ABSTRACTS INTERNATIONAL B: THE SCIENCES AND ENGINEERING
260 _bUniversity Microfilms
310 _aMen.
362 1 _a1938-
650 1 4 _9140472
_aCIENCIAS
650 1 4 _9151384
_aINGENIERIA
650 1 4 _9166571
_aTESIS
515 _aHasta vol. 26 1966: <Dissertation Abstracts>
593 _a12-10-1994
590 _bUniversity Microfilms, Ann Arbor, Mich.
_gUSA
942 _cCR
999 _c130611
_d130611